I thought that they was special gaskets you used on the heads when they get decked?? A steel gasket shim so something. Keith ----- Original Message ----- From: "Richard Milkiewicz" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Monday, July 08, 2002 6:08 AM Subject: Re: [Chevelle-List] Performer RPM intake problems
> I had the same problem once after milling and having the block decked. I had > to take the intake to the machinist and have him mill it to fit properly. > Everything drops lower after decking and milling and won't line up. If you > did one or the other it shouldn't be a problem. But maching both surfaces > drops the mating surface and now bolt holes won't line up and there is a > large gap to fill. > Rich > > ----- Original Message ----- > From: "Robert Belz" <[EMAIL PROTECTED]> > To: <[EMAIL PROTECTED]> > Sent: Sunday, July 07, 2002 10:18 PM > Subject: [Chevelle-List] Performer RPM intake problems > > > > Just thought I'd share this to possibly save others grief. I put an new > > Edelbrock Performer RPM manifold on my 454 yesterday but not without > having > > to modify it. After I gooped it up (front and back of block) with silicon > > sealer and set the manifold on I found the bolt holes wouldn't line up. > > Further inspection revealed that the manifold hit the casting flash on the > > heads at the bolts holes third back from front and rear ( the ones that > > stick up the furthest). I had to remove the manifold and file on the > gasket > > side of the manifold near the top of the holes until the manifold would > > clear and set down in place. I don't know if head and block decking > > contributed to the problem or it was just the casting flash that caused > the > > interference. (I have had two other manifolds on this motor and never ran > > into this problem.) Now I will always test fit a manifold and not assume > > it's going to fall into place. > > I also put on a Holley Avenger 770 carb, and MSD Pro billet distributor > > with a 6AL box, the pisser is I can't tell if it runs much better than > with > > my old Q-Jet and ancient Holley Street Dominator intake. Also on the > noise > > (howl) issue that came up recently with the Holley, mine has a different > > growl, not quit as loud as the Q-Jet. > > I hope I can get more out of this new set up or it looks like I dumped > > about a grand for nothing. Well back to the garage. > > > > Sorry to hear the misfortune of those in the flooding areas, hope > everyone > > is O.K. We could sure use some of that water here in Colorado, we are > > burning up, literally. > > Bob Belz > > > > > > > > > > ----------------------------------------------------- > > To Unsubscribe please visit www.chevelles.net/list.html > > To start a new topic, send mail to: [EMAIL PROTECTED] > > > > > ----------------------------------------------------- > To Unsubscribe please visit www.chevelles.net/list.html > To start a new topic, send mail to: [EMAIL PROTECTED] > ----------------------------------------------------- To Unsubscribe please visit www.chevelles.net/list.html To start a new topic, send mail to: [EMAIL PROTECTED]
